Study on the preparation of nanosulfur/bentonite complex
Abstract
Inorganic compounds with sulfur have a good antifungal efficacy. However there is a limit, sulfur is required in bulk quantities for application. Nanosulfur might have a high anti-bacterial effect in a thin concentration. Nanosulfur-bentonite composite was prepared from nanosulfur made by the reaction between sodium thiosulfate and sulfuric acid and bentonite was used as a carrier. The most appropriate reaction temperature, concentrations of Na2S2O3 5H2O and H2SO4, dropping rate and stirring one were determined. From SEM images, it was illuminated that small particle size of nanosulfur deposited on bentonite is in the range of 20-30nm and big one is in the range of 60-100nm.
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